Last name 碧金 (Bijin 
, 碧金 ) , in all the world, is a rare surname. The family name 碧金 is characteristic of Malaysia, where it is a rare surname, China, where it is a very rare surname, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in China, Malaysia, and India. More frequently, 碧金 is the forename as well as the last name.